xmtop/README.md at f850a47d91d413de40de219aa597ade41a05f757

LK/xmtop

Sean E. Russell f850a47d91 Merge remote-tracking branch 'rephorm/filter'

2020-02-14 09:35:58 -06:00

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Another terminal based graphical activity monitor, inspired by gtop and vtop, this time written in Go!

The original author of gotop has re-implemented the application in Rust, as ytop. This is a fork of original gotop project with a new maintainer.

Installation

Working and tested on Linux, FreeBSD and macOS. Windows support is planned. OpenBSD works with some caveats.

Source

go get github.com/xxxserxxx/gotop/...

Prebuilt binaries

Note: Doesn't require Go.

Visit here with your web browser and download a version that works for you.

Unzip it and then move gotop into your $PATH somewhere. If you're on a Debian or Redhat derivative, you can download an .rpm or .deb to install.

Usage

Keybinds

Quit: q or <C-c>
Process navigation:
- k and <Up>: up
- j and <Down>: down
- <C-u>: half page up
- <C-d>: half page down
- <C-b>: full page up
- <C-f>: full page down
- gg and <Home>: jump to top
- G and <End>: jump to bottom
Process actions:
- <Tab>: toggle process grouping
- dd: kill selected process or group of processes with SIGTERM
- d3: kill selected process or group of processes with SIGQUIT
- d9: kill selected process or group of processes with SIGKILL
Process sorting
- c: CPU
- m: Mem
- p: PID
Process filtering:
- /: start editing filter
- (while editing):
  - <Enter> accept filter
  - <C-c> and <Escape>: clear filter
CPU and Mem graph scaling:
- h: scale in
- l: scale out
?: toggles keybind help menu

Mouse

click to select process
mouse wheel to scroll through processes

Colorschemes

gotop ships with a few colorschemes which can be set with the -c flag followed by the name of one. You can find all the colorschemes in the colorschemes folder.

To make a custom colorscheme, check out the template for instructions and then use default.json as a starter. Then put the file at ~/.config/gotop/<name>.json and load it with gotop -c <name>. Colorschemes PR's are welcome!

Layouts

gotop can parse and render layouts from a specification file. The format is
intentionally simple. The amount of nesting levels is limited. Some examples
are in the layouts directory; you can try each of these with, e.g.,
gotop --layout-file layouts/procs. If you stick your layouts in
$XDG_CONFIG_HOME/gotop, you can reference them on the command line with the
-l argument, e.g. gotop -l procs.

The syntax for each widget in a row is:

(rowspan:)?widget(/weight)?

and these are separated by spaces.

Each line is a row
Empty lines are skipped
Spaces are compressed (so you can do limited visual formatting)
Legal widget names are: cpu, disk, mem, temp, batt, net, procs
Widget names are not case sensitive
The simplest row is a single widget, by name, e.g.
```
cpu
```
Weights
1. Widgets with no weights have a weight of 1.
2. If multiple widgets are put on a row with no weights, they will all have
  the same width.
3. Weights are integers
4. A widget will have a width proportional to its weight divided by the
  total weight count of the row. E.g.,
```
cpu      net
disk/2   mem/4
```
  The first row will have two widgets: the CPU and network widgets; each
  will be 50% of the total width wide. The second row will have two
  widgets: disk and memory; the first will be 2/6 ~= 33% wide, and the
  second will be 5/7 ~= 67% wide (or, memory will be twice as wide as disk).
If prefixed by a number and colon, the widget will span that number of
rows downward. E.g.
```
mem   2:cpu
net
```
Here, memory and network will be in the same row as CPU, one over the other,
and each half as high as CPU; it'll look like this:
```
 +------+------+
 | Mem  |      |
 +------+ CPU  |
 | Net  |      |
 +------+------+
```
Negative, 0, or non-integer weights will be recorded as "1". Same for row
spans.
Unrecognized widget names will cause the application to abort.
In rows with multi-row spanning widgets and weights, weights in
lower rows are ignored. Put the weight on the widgets in that row, not
in later (spanned) rows.
Widgets are filled in top down, left-to-right order.
The larges row span in a row defines the top-level row span; all smaller
row spans constitude sub-rows in the row. For example, cpu mem/3 net/5
means that net/5 will be 5 rows tall overall, and mem will compose 3 of
them. If following rows do not have enough widgets to fill the gaps,
spacers will be used.

Yes, you're clever enough to break the layout algorithm, but if you try to
build massive edifices, you're in for disappointment.

CLI Options

-c, --color=NAME Set a colorscheme.
-m, --minimal Only show CPU, Mem and Process widgets.
-r, --rate=RATE Number of times per second to update CPU and Mem widgets [default: 1].
-V, --version Print version and exit.
-p, --percpu Show each CPU in the CPU widget.
-a, --averagecpu Show average CPU in the CPU widget.
-f, --fahrenheit Show temperatures in fahrenheit.
-s, --statusbar Show a statusbar with the time.
-b, --battery Show battery level widget (minimal turns off). preview
-i, --interface=NAME Select network interface [default: all].
-l, --layout=NAME Choose a layout. gotop searches for a file by NAME in $XDG_CONFIG_HOME/gotop, then relative to the current path. "-" reads a layout from stdin, allowing for simple, one-off layouts such as echo net | gotop -l -

Several interfaces can be defined using comma separated values.

Interfaces can also be ignored using !

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